1// introspection implements the spec defined in https://github.com/facebook/graphql/blob/master/spec/Section%204%20--%20Introspection.md#schema-introspection
 2package introspection
 3
 4import "github.com/vektah/gqlparser/ast"
 5
 6type (
 7	Directive struct {
 8		Name        string
 9		Description string
10		Locations   []string
11		Args        []InputValue
12	}
13
14	EnumValue struct {
15		Name        string
16		Description string
17		deprecation *ast.Directive
18	}
19
20	Field struct {
21		Name        string
22		Description string
23		Type        *Type
24		Args        []InputValue
25		deprecation *ast.Directive
26	}
27
28	InputValue struct {
29		Name         string
30		Description  string
31		DefaultValue *string
32		Type         *Type
33	}
34)
35
36func WrapSchema(schema *ast.Schema) *Schema {
37	return &Schema{schema: schema}
38}
39
40func (f *EnumValue) IsDeprecated() bool {
41	return f.deprecation != nil
42}
43
44func (f *EnumValue) DeprecationReason() *string {
45	if f.deprecation == nil {
46		return nil
47	}
48
49	reason := f.deprecation.Arguments.ForName("reason")
50	if reason == nil {
51		return nil
52	}
53
54	return &reason.Value.Raw
55}
56
57func (f *Field) IsDeprecated() bool {
58	return f.deprecation != nil
59}
60
61func (f *Field) DeprecationReason() *string {
62	if f.deprecation == nil {
63		return nil
64	}
65
66	reason := f.deprecation.Arguments.ForName("reason")
67	if reason == nil {
68		return nil
69	}
70
71	return &reason.Value.Raw
72}